Winding-arbor for paper-tube machines.



No. 743,217. PATENTED NOV. 3, 1903.

' G. A. BAILEY.

WINDING ARBOR FORIAPER TUBE MACHINES.

APPLICATION FILED JUNE 16. 1903.

N0 MODEL.

UNITED STATES iatented November 3, 1903.

PATENT OFFICE.

WINDING-ARBOR FOR PAPER-TUBE MACHINES.

SPECIFICATION forming part of Letters Patent No. 743,217, dated November3, 1903.

Application filed June 16 1903.

To all whom it may concern:

Be it known that I, CHARLES A; BAILEY,

a citizen of the United States, and a resident of Cromwell, in thecounty of Middlesex and- State of Connecticut, have invented an Arborfor Paper-Tube Machines, of which the following is a specification.

In the manufacture of paper tubes some difficulty is experienced inremoving the completed tube from the arbor, due to the shrinkage of thetube and also to its sticking to the arbor by reason of the paste thatis applied to the paper in the manufacture of the article. To overcomethis difficulty, I provide an arbor of improved construction which willreadily free the tube by reducing the diameter of the arbor and whenarranged for winding the paper thereon will present aplain or unbrokensurface and practically a solid arbor.

With the above objects in view the invention contemplates the provisionof an arbor comprising a spindle and semitubular parts or sectionsslidably mounted upon said spin- 7 die and adapted to rotate therewith,the aforesaid parts being intimately connected to complete the arbor andthe connection being such that the diameter of the arbor will be reducedWithin the tube to free the latter therefrom, all as hereinafter fullydescribed,and specifically set forth in the claims.

In the accompanying drawings, which form a part of this specification,Figure'l is a plan view of a winding-arbor for paper-tube machinesconstructed in accordance with my invention. Fig. 2 is a longitudinalsectional View. Fig. 3 is a transverse sectional View on the line 3 3 ofFig. 1. Fig. 4 is a similar view 011 the line f 4 of Fig. 1. Fig. 5 is adetail view of the spindle.

Similar letters of reference indicate similar parts in the severalviewsof the drawings.

Referring to said drawings, the letter A designates thespindle,connected to or formed integrally with the part A, by which itis supported and rotated, said spindle constituting the inner part ofthe arbor upon which slide thesemitubular sections B and B, hereinafterdescribed. This spindle A is practically round, and at diametricallyopposite sides and running longitudinally thereof are formed ribs a,while in the sides intermediate said ribs are formed dovetailed groovesa. The

$erial No. 161,747. No model.)

body portion of the spindle tapers gradually toward its outer end, whilethe diameter through the ribs remains the same throughout the length ofthe spindle, so that the depth of the ribs gradually increase with thetaper of the body portion. These ribs also taper in widthtoward theouter end of the spindle, and the same in connection with the taperedbody portion provide for reducing the size of the arbor, as hereinaftereX- plained.

. The semitubular sections B and B are provided at their inner ends withears I), by which they are pivoted to a sleeve 0, forming the means forsliding said sections upon the spindle. The pivot-pins pass throughslots 1) in the ears, and these slots permit movement of the sections toand from each other. Upon the inner side of the semitubular sections andcentrally thereof are longitudinal dovetailed ribs or tongues bZwhichare adapted to slide in the corresponding grooves ct in the spindle whenthe parts are assembled. The semi tubular sections B and B graduallyincrease in thickness to their outer ends corresponding with the taperof the spindle, so that when the parts are arranged for winding paperthereon, as in Figs. 1 and 2, a solid round arbor is formed, thesurfaces of the semitubular sections being flush with the outer surfaceof the ribs. In practice the surface of the arbor is slightlycorrugated, so that 'the paper will catch and hold thereon. After a tubeis formed and in removing the same from the arbor the semitubularsections B and B are slid outward upon the spindle A, and in thismovement the said sections are drawn toward each other, owing to thetaper 0f the spindle, thereby reducing the size of the arbor or partthereof carrying the tube and freeing the tube therefrom. In the outward movement of the tube with the semitubular sections the said tubeslides longitudinally over the ribs a and is disengaged therefrom, andthe semitubular sections being drawn toward each other away from theinner side of the tube the latter'may be readily removed.

, It will be seen that the semitubular sections are held inslidable engagementwith the spindle by means of the dovetailed tongues and groovesin connection with the ribs a,

whereby the parts are securely and firmly connected and the semitubularsections held closely against the tapered spindle in their movement backand forth thereon; also, that when the tube is being formed by windingthe paper on the arbor the latter presents practically a solid arbor.

Having thus described my invention, What I claim as new, and desire tosecure by Letters Patent, is

1. An arbor for paper-tube machines, con1- prising a tapered spindle,semitubular sections slidable thereon, and dovetailed tongues andgrooves for connecting the parts slidably together. 2. An arbor forpaper-tube machines, comprising a tapered spindle, ribs formed on thespindle and extending longitudinally thereof, semitubular sectionsmounted on the spindle between the ribs, and means for holding saidsections against the spindle between the ribs as they are slid back andforth thereon.

3. An arbor for-paper-tube machines, comprising a tapered spindle,longitudinal ribs formed thereon and tapered in width correspondingtherewith, semitubular sections mounted on the spindle between the ribs,and means for holding said sections against the spindle as they are slidback and forth thereon.

4. An arbor for paper-tube machines, comprising atapered spindle havinglongitudinal ribs tapered in width corresponding therewith, andsemitubular sections slidably mounted on said spindle between the ribsand connected to said spindle by dovetailed tongues and grooves.

5. An arbor for paper-tube machines, comprising a tapered spindle havingopposite longitudinal ribs the outer surfaces of which are parallel toeach other, said ribs being tapered in width corresponding with thespindle, semitubular sections slidable upon the spindle between the ribsand connected to said spindle by dovetailed tongues and grooves.

63. An arbor for paper-tube machines, comprising a tapered spindle,having opposite longitudinal ribs tapered longitudinally, semitubularsections slidably mounted upon the spindle between the ribs andconnectedthereto by dovetailed tongues and grooves, and a sleeve towhich said semitubular sections are pivoted, the pivot-pins passingthrough slots in said sections, substantially as shown and for thepurpose set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

CHAS. A. BAILEY.

Witnesses:

W. R. MCDONALD, ARTHUR BOARDMAN.

